zpl.tools
CommandsSensor calibration

^JW - Set Ribbon Tension

Adjusts ribbon tension for thermal transfer printers

^JW - Set Ribbon Tension

Overview

The ^JW command controls ribbon tension settings specifically for 170 PAX-Series printers. Proper ribbon tension is critical for print quality and preventing ribbon wrinkles or breakage.

Syntax

^JWt

Parameters

  • t = Tension level
    • L = Low tension
    • M = Medium tension
    • H = High tension

Description

  • Adjusts mechanical ribbon tension
  • Controls ribbon feed
  • Affects print quality
  • Only for 170 PAX printers

Examples

High Tension

^JWH

Medium Tension

^JWM

Low Tension

^JWL

Tension Selection

Low (L)

  • Lighter ribbon
  • Thin media
  • Risk of wrinkles
  • Poor quality

Medium (M) - Default

  • Standard operation
  • Most media types
  • Balanced performance
  • Recommended

High (H)

  • Thick ribbon
  • Coated media
  • Risk of breakage
  • Best for dense media

Important Notes

  • 170 PAX-Series only
  • Ignored on other models
  • Affects print quality
  • Consider ribbon type
  • Test after adjustment
  • ^SR - Set Head Resistance
  • ^MT - Media Type

See Also